42029489 has 2 divisors, whose sum is σ = 42029490. Its totient is φ = 42029488.

The previous prime is 42029483. The next prime is 42029503. The reversal of 42029489 is 98492024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31192225 + 10837264 = 5585^2 + 3292^2 .

It is a cyclic number.

It is not a de Polignac number, because 42029489 - 2¹⁶ = 41963953 is a prime.

It is a super-2 number, since 2×42029489² = 3532955891202242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42029483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21014744 + 21014745.

It is an arithmetic number, because the mean of its divisors is an integer number (21014745).

Almost surely, 2^42029489 is an apocalyptic number.

It is an amenable number.

42029489 is a deficient number, since it is larger than the sum of its proper divisors (1).

42029489 is an equidigital number, since it uses as much as digits as its factorization.

42029489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 42029489 is about 6483.0154249392. The cubic root of 42029489 is about 347.6839982735.

The spelling of 42029489 in words is "forty-two million, twenty-nine thousand, four hundred eighty-nine".